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Analog Devices Inc. LT6654BHLS8-5
- Part No.:
- LT6654BHLS8-5
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- 8-CLCC
- Datasheet:
-
LT6654BHLS8-5.pdf
- Description:
- IC VREF SERIES 0.1% 8LCC
- Quantity:
- Payment:
- Shipping:
Inventory:4,953
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Product details
Overview
LT6654BHLS8-5 from Analog Devices is a precision 5V voltage reference IC in an 8-lead ceramic LCC (5mm × 5mm) hermetic package, rated for –40°C to 125°C operation. It delivers ±0.10% initial accuracy, 20ppm/°C max temperature drift, 1.6ppmP-P (0.1Hz–10Hz) low noise, ±10mA output drive, and 100mV max dropout - enabling high-resolution ADC/DAC biasing in automotive and industrial sensing systems.
For engineers reviewing the LT6654BHLS8-5 datasheet, LT6654BHLS8-5 pinout, LT6654BHLS8-5 application, or LT6654BHLS8-5 equivalent, this page provides verified specifications, LS8-package terminal mapping, real-world use cases in high-temperature data acquisition, and validated alternative options with documented functional trade-offs.
Technical Context
The LT6654BHLS8-5 integrates a curvature-compensated bandgap core with a buffered output stage, enabling simultaneous sourcing and sinking of ±10mA while maintaining precise load regulation (≤8ppm/mA). Its LS8 hermetic ceramic package reduces thermal hysteresis to 15ppm over –40°C to 125°C and ensures long-term stability of 15ppm/√kHr.
It operates across a 5.5V to 36V input range with 5ppm/V line regulation and supports stable operation with only 0.1µF input and 1µF output capacitance. The device is AEC-Q100 qualified and fully specified across its extended temperature range without derating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.000V nominal; enables direct interface with 5V ADC references and microcontroller analog peripherals. |
| Initial Accuracy | ±0.10% max (B-grade); guarantees ≤±5mV absolute error at 25°C before calibration. |
| Temp Coefficient | 20ppm/°C max; contributes ≤±2.5mV error over –40°C to 125°C full range. |
| Output Noise | 1.6ppmP-P (0.1Hz–10Hz); translates to 8µVP-P - critical for 20-bit+ SAR and delta-sigma ADCs. |
| Load Regulation | 8ppm/mA max (sourcing); ensures ≤±0.04mV shift per mA load change up to ±10mA. |
| Dropout Voltage | 100mV max at 10mA; allows operation with VIN as low as 5.1V - ideal for low-headroom industrial supplies. |
| Supply Range | 5.5V to 36V; supports wide-input industrial power rails and battery-backed systems. |
Pinout & Package
LT6654BHLS8-5 uses an 8-lead leadless chip carrier (LS8), 5mm × 5mm surface-mount hermetic ceramic package with exposed pad (no thermal pad connection required). Pin 3 and Pin 4 are both GND and must be star-connected to system ground near the load.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (DNC) | Do Not Connect | Internally connected; external connection risks leakage current and accuracy degradation. |
| Pin 2 (NC) | No Connect | Not internally bonded; may be left floating or tied to GND/VIN/VOUT without impact. |
| Pin 3 (GND) | Internal Ground Reference | Must be tied to system GND near Pin 4 to minimize ground loop errors in precision circuits. |
| Pin 4 (GND) | Primary Device Ground | Star-ground point for load return and internal circuitry; lowest-impedance ground path. |
| Pin 5 (VOUT) | Main Output Terminal | Delivers regulated 5V; requires ≥1µF output capacitor for stability and low-noise performance. |
| Pin 6 (VOUT) | Secondary Output Terminal | Must be tied directly to Pin 5 to ensure matched load regulation and minimize thermal gradients. |
| Pin 7 (DNC) | Do Not Connect | Internally connected; avoid routing traces or vias to prevent parasitic coupling. |
| Pin 8 (VIN) | Power Input | Accepts 5.5V–36V; requires ≥0.1µF bypass capacitor to GND close to the pin for PSRR optimization. |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic LS8 Package | 5mm × 5mm ceramic LCC with <15ppm thermal hysteresis over –40°C to 125°C - essential for field-deployed instrumentation. |
| Bidirectional Output Drive | ±10mA sourcing/sinking capability enables active biasing of transducers and dual-rail DAC references without external buffers. |
| Low 1.6ppmP-P Noise | Enables <20-bit effective resolution in precision data acquisition systems without post-filtering or oversampling overhead. |
| AEC-Q100 Qualified | Rated for automotive under-hood applications (Grade H: –40°C to 125°C) with full reliability testing and traceable lot control. |
| Wide 5.5V–36V Supply Range | Eliminates need for pre-regulation in 12V/24V industrial buses and simplifies power architecture in multi-rail systems. |
Applications
| Automotive Battery Monitoring | High-Temperature Industrial Sensors |
|---|---|
|
Use Scenario: Real-time monitoring of 12V/48V battery pack voltage and state-of-charge in EV powertrain control units. IC Role / Device Role / Timing Role: Primary 5V reference for 16-bit SAR ADC measuring cell voltages with <10ppm total error budget. Use Value: LS8 package stability ensures <±2mV drift over 15-year vehicle life; ±10mA drive powers ADC reference buffer and level-shifting circuitry. |
Use Scenario: Pressure and temperature sensing in oil & gas downhole tools operating continuously at 125°C ambient. IC Role / Device Role / Timing Role: Precision 5V reference for sigma-delta ADCs digitizing piezoresistive sensor outputs. Use Value: 20ppm/°C drift and 15ppm hysteresis guarantee <±3.5mV total error over thermal cycling; hermetic seal prevents moisture-induced parametric shift. |
| Medical Patient Monitor ADC | Test & Measurement Calibration Source |
|
Use Scenario: ECG and SpO₂ front-end signal conditioning requiring sub-µV-level baseline stability and low 1/f noise. IC Role / Device Role / Timing Role: Low-noise 5V reference for 24-bit delta-sigma ADCs with programmable gain amplifiers. Use Value: 1.6ppmP-P noise (0.1Hz–10Hz) limits quantization uncertainty to <1 LSB in 20-bit-equivalent medical waveforms. |
Use Scenario: Portable calibrator for field verification of multimeters and process controllers requiring traceable 5V output. IC Role / Device Role / Timing Role: Primary reference in handheld metrology equipment with auto-calibration routines. Use Value: ±0.10% initial accuracy and 15ppm/√kHr long-term drift enable annual recalibration intervals without interpolation error accumulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT6654AHLS8-5#PBF | Higher grade: ±0.05% initial accuracy and 10ppm/°C drift vs. B-grade's ±0.10% and 20ppm/°C. | Required where <±2.5mV absolute error is mandatory (e.g., metrology standards, Class I energy meters). | Select when tighter initial tolerance and lower drift justify cost premium; same LS8 package and pinout. |
| REF5050IDR | Texas Instruments REF5050 offers ±0.05% accuracy and 3ppm/°C drift but only ±1mA output drive and no sink capability. | Suitable for low-power, low-current reference needs (e.g., op-amp biasing), not for driving ADC buffers or bidirectional loads. | Choose for ultra-low-drift applications with light loads; requires external buffer for >1mA drive or sinking. |
Compared with LT6654BHLS8-5, LT6654AHLS8-5 delivers tighter initial accuracy and drift for calibration-critical roles, while REF5050IDR trades output drive and bidirectionality for superior drift performance - making LT6654BHLS8-5 optimal for robust, high-current industrial and automotive reference designs.
Availability
LT6654BHLS8-5 is available at Aetrix Electronics and suitable for automotive battery management, high-temperature industrial sensors, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for LT6654BHLS8-5 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LT6654 family was designed for precision voltage referencing in harsh environments - emphasizing low noise, hermetic packaging, wide temperature operation, and bidirectional drive to replace discrete reference + buffer solutions in mission-critical systems.
FAQ
What is the maximum operating temperature range for the LT6654BHLS8-5?
The LT6654BHLS8-5 is fully specified from –40°C to 125°C, with all key parameters - including initial accuracy, temperature coefficient, and load regulation - guaranteed across this extended industrial and automotive temperature range. Its LS8 hermetic package ensures stable performance without derating at the upper limit.
Does the LT6654BHLS8-5 support sinking current, and how much?
Yes, the LT6654BHLS8-5 can sink up to –10mA while maintaining its specified accuracy and low output impedance. This bidirectional capability enables use as a negative reference or active load termination in precision current-source circuits - a feature not found in most standard voltage references.
What output capacitor value is required for stable operation of the LT6654BHLS8-5?
A minimum 1µF ceramic output capacitor is required for stable operation of the LT6654BHLS8-5. Larger values (e.g., 10µF) improve PSRR and reduce high-frequency noise but increase turn-on time. The capacitor must be placed as close as possible to Pins 5 and 6 (VOUT) and Pin 4 (GND).
Is the LT6654BHLS8-5 AEC-Q100 qualified, and for which grade?
Yes, the LT6654BHLS8-5 is AEC-Q100 qualified for Grade H (–40°C to 125°C), meeting automotive reliability requirements including HTOL, TCT, and ESD testing. It is approved for under-hood and powertrain applications where long-term parametric stability is critical.
How does the LS8 package of the LT6654BHLS8-5 improve long-term stability compared to plastic SOT-23 variants?
The LS8 ceramic hermetic package of the LT6654BHLS8-5 achieves 15ppm/√kHr long-term drift versus 60ppm/√kHr for TSOT-23 versions, due to reduced moisture ingress, minimal die stress, and superior thermal matching. This makes LT6654BHLS8-5 suitable for 10+ year field deployments without recalibration.
LT6654BHLS8-5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-CLCC
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 10 mA
- Tolerance:
- ±0.1%
- Temperature Coefficient:
- 20ppm/°C
- Noise - 0.1Hz to 10Hz:
- 2.2ppmp-p
- Noise - 10Hz to 10kHz:
- 2ppmrms
- Voltage - Input:
- 5.5V ~ 36V
- Current - Supply:
- 600µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-CLCC (5x5)
LT6654BHLS8-5 FAQ
1.How can I place an order for LT6654BHLS8-5 through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6654BHLS8-5 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LT6654BHLS8-5 reliable?
The price and inventory of LT6654BHLS8-5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6654BHLS8-5 is usually 5 days.
3.What payment methods are accepted for LT6654BHLS8-5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6654BHLS8-5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6654BHLS8-5?
LT6654BHLS8-5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6654BHLS8-5 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LT6654BHLS8-5?
For technical support, including LT6654BHLS8-5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6654BHLS8-5 requirements.
6.How does Aetrix verify that LT6654BHLS8-5 is sourced from the original manufacturer or authorized distributors?
All LT6654BHLS8-5 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LT6654BHLS8-5 meets industry standards.
7.What is the process for return or replacement of LT6654BHLS8-5?
All LT6654BHLS8-5 units undergo pre-shipment inspection (PSI). If there is an issue with LT6654BHLS8-5, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LT6654BHLS8-5 part is unused and in its original packaging.
Return procedure for LT6654BHLS8-5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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